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negative sequence current

单词 negative sequence current

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释义

负序电流:指在三相电力系统中,由于电力设备故障或不平衡负载引起的电流,其频率与正常的三相电流相同,但相位差为120度。

时间: 2026-11-08 14:17:27

negative sequence current 双语例句

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1·Larger system voltage unbalance degree causes larger capacitor voltage pulsation and negative sequence current.

不对称度的增加将进一步增大电容电压的脉动和负序电流的大小。

2·Generalized integrator was used to realize static error free tracking control of positive and negative sequence current under two-phase static coordinate.

并采用广义积分器原理实现对三相电流在两相静止坐标下的控制,实现了正负序电流的无静差跟踪控制。

3·Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.

电力有源滤波器能动态补偿不对称三相电路的畸变电流、负序电流分量。

4·This control principle can improve the control of power quality and effectively compensate the harmonic currents at load side, reactive power and negative sequence current.

该控制方法能改善系统电能质量的调节,有效地补偿负荷侧谐波电流、无功功率和负序电流。

5·The SVC can not only compensates the reactive power, but also dish the negative sequence current produced by the unbalance loads, which mostly depend on the control scheme.

静止无功补偿器(SVC)在补偿负荷无功的同时,还具备补偿三相负荷不平衡的能力,其关键在于SVC所采取的控制策略。

6·The characteristics of arc furnace are low voltage, big current and nonlinear load. Much negative sequence current is produced during running. As a result, the power net is unstable.

电弧炉具有低电压、大电流而且负荷非线性的特点,在其运行过程中产生大量的负序电流,导致电网不稳定。

7·It is showed that this transformer has the advantages of boosting, rejecting the negative sequence current, increasing the output capacity and raising the capacity utilization ratio.

结果表明,该变压器具有增压、抑制负序电流、增大输出容量和提高容量利用率等优点。

8·Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.

针对单纯采用相电流判据的不足之处,本文提出增加零序电流、负序电流及电流变化量判据,以有效地避免保护误动或者拒动。

9·Power system Network Node thousands of mixed clouds, active power, reactive power flow, high harmonics, negative sequence current of the speed of light in the system-wide communication.

电力系统中网络结点千百个交织密布,有功潮流、无功潮流、高次谐波、负序电流等以光速在全系统范围传播。

10·This paper describes the test methods and the various test results for the determination of the negative sequence current capability of type QFQ-50-2 turbo-generator by equivalent loss method.

本文介绍了应用等效损耗法确定QF Q - 50 - 2型汽轮发电机负序电流能力的试验方法和结果。

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